55371604 has 24 divisors (see below), whose sum is σ = 98261856. Its totient is φ = 27300000.

The previous prime is 55371599. The next prime is 55371629. The reversal of 55371604 is 40617355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131314 + ... + 131734.

It is an arithmetic number, because the mean of its divisors is an integer number (4094244).

Almost surely, 2^55371604 is an apocalyptic number.

It is an amenable number.

55371604 is a deficient number, since it is larger than the sum of its proper divisors (42890252).

55371604 is a wasteful number, since it uses less digits than its factorization.

55371604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55371604 is about 7441.2098478675. The cubic root of 55371604 is about 381.1498045759.

Adding to 55371604 its reverse (40617355), we get a palindrome (95988959).

The spelling of 55371604 in words is "fifty-five million, three hundred seventy-one thousand, six hundred four".